Grate 1 cucumber and drain it well, then add to it 1/2 teaspoon of salt, a dash of cayenne, and 1 tablespoon of vinegar. DUTCH BUTTER To every tablespoon of melted butter add 1 teaspoon of lemon juice; season with salt. DEVILLED SAUCE Put 1 tablespoon of butter in a saucepan, and when melted add 1 tablespoon of chopped onion, and let cook slowly for five minutes. Then add 1 tablespoon of chopped parsley, 2 tablespoons of vinegar, 1 tablespoon of walnut or mushroom catsup, 1 tablespoon of English mustard, 1/2 teaspoon of salt, 1 saltspoon of black pepper, and a little cayenne. Thicken with 1 tablespoon of flour, and when smooth add enough vegetable stock to make the consistency of cream. The sauce may be used as it is or pressed through a sieve to strain. EGG SAUCE To 1 cup of well-made white sauce add 2 hard-boiled eggs chopped fine, and 1 teaspoon of chopped parsley, and a little salt and paprika. FRENCH SAUCE Rub together 1 tablespoon of flour and 1 of butter, and put in a saucepan; as it melts add slowly 1 cup of boiling water or vegetable stock, let boil, stirring constantly, then remove from the fire, and when somewhat cooled add the juice of 1 lemon, 2 tablespoons of tarragon or chervil vinegar, 2 egg-yolks slightly beaten, and salt and pepper. GERMAN SAUCE Make brown sauce, add 1/2 can halved button mushrooms and 1 tablespoon of reduced vinegar, and season with salt and pepper. GERMAN EGG SAUCE Mix 3 beaten egg-yolks with 1 teaspoon of flour, 1 scant cup of cream or milk, 1 tablespoon of butter, and 1 tablespoon of lemon juice, season with salt and pepper, and beat vigorously, until thickened, over a hot fire, but do not let the sauce boil at all. Add 1 hard-boiled egg, chopped fine, and 1 tablespoon of minced parsley before serving. HERB SAUCES Make a good white sauce and to each 2 cups of sauce add the herbs selected, prepared as follows: Take a handful of the leaves, and after washing them well put them in a pan with a little salted boiling water; let cook for five minutes, then drain, and dry with a cloth, and put in a mortar with 1 tablespoon of butter, and macerate until fine; add this to the white sauce. In this way parsley, mint, tarragon, chervil, and other herb sauces can be made. SAUCE HOLLANDAISE To 1 tablespoon of reduced vinegar add the yolks of 4 eggs mixed with 2 tablespoons of cold water; stir well together, and cook by holding above a very slow fire, in order to prevent curdling; add 2 tablespoons of butter, stirring it in a little at a time until all is used. Season with salt and pepper and serve warm or cold. HORSE-RADISH SAUCE Rub together 1 tablespoon of butter and 1 of flour and put in a saucepan. When melted and smooth from stirring, add slowly 1 1/2 cups of heated milk; when properly thickened by slow cooking, put in 3 tablespoons of grated horse-radish, stir well, season with salt, add 1 teaspoon of butter, and serve on croquettes, etc. MAÎTRE D'HÔTEL SAUCE